Wristwatch



FIG. 1 is a front view of my new and ornamental design for a wristwatch;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front view of another embodiment of my new and ornamental design for a wristwatch;

FIG. 10 is a rear view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a front perspective view thereof; and,

FIG. 16 is a rear perspective view thereof. 

The ornamental design for a wristwatch, as shown and described. 